Rectangular tube



FIG. 1 is a front perspective view of a rectangular tube according tothe present invention;

FIG. 2 is a first side view, the opposite side view being symmetricthereto, of the rectangular tube of FIG. 1;

FIG. 3 is a second side view, rotated ninety degrees from the first sideview of the rectangular tube of FIG. 2, the opposite side view beingsymmetric thereto;

FIG. 4 is a first end view of the rectangular tube of FIG. 1; and,

FIG. 5 is a second end view, opposite the first end view of FIG. 4, ofthe rectangular tube of FIG. 1.

The broken lines in FIGS. 1,2,3,and 5 are for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for the rectangular tube, as shown and describedin the accompanying figures.